Messages in this thread | | | Date | Wed, 2 Sep 2020 10:18:35 +0200 (CEST) | From | Jiri Kosina <> | Subject | Re: [RFC v2 09/11] HID: hyperv: Make ringbuffer at least take two pages |
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On Wed, 2 Sep 2020, Boqun Feng wrote:
> When PAGE_SIZE > HV_HYP_PAGE_SIZE, we need the ringbuffer size to be at > least 2 * PAGE_SIZE: one page for the header and at least one page of > the data part (because of the alignment requirement for double mapping). > > So make sure the ringbuffer sizes to be at least 2 * PAGE_SIZE when > using vmbus_open() to establish the vmbus connection. > > Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>
-- Jiri Kosina SUSE Labs
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